Issue: #99
It’s a mutant massacre at Xavier's! In the wake of Ultimatum -- a band of humans have stolen Sentinel technology and attack Xavier's mansion -- killing any mutant they see. With the X-Men locked in battle with Magneto -- can anyone save these students? Their greatest hope might rest in the hands of their worst enemy as the Weapon X program returns!Syndicate is surrounded by Stryker and his suprema...
Creators: Dan Buckley, Joe Quesada, Mark Paniccia, Danny Miki, Victor Olazaba, Lauren Sankovitch, Dan Panosian, Karl Story, Mark Brooks, Tom Van Cise, Edgar Delgado, Aron Eli Coleite, Albert Deschesne
Characters: Rogue, Storm, Wolverine, Beast, Cyclops, Jean Grey, Juggernaut, Betsy Braddock, Sabretooth, Toad, John Wraith, William Stryker, Madrox, Syndicate, Liz Allan
Story arcs: Ultimatum